Blockrun

Blockrun is an x402-native service at https://blockrun.ai, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed.

Base

Offers

Offer	Endpoint	Price
Prices Coingecko:Bitcoin Token price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2`). Supports comma-separated lists.	`/m/bz-blockrun-ai/api/v1/defillama/prices/coingecko:bitcoin`	0.002 USDC
Exa Answer Get an AI-generated answer to a question grounded in live web search results.	`/m/bz-blockrun-ai/api/v1/exa/answer`	0.011 USDC
Exa Contents Extract full text content from specific URLs. Priced at $0.002/URL — total = urls.length × $0.002.	`/m/bz-blockrun-ai/api/v1/exa/contents`	0.003 USDC
Exa Search Neural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report.	`/m/bz-blockrun-ai/api/v1/exa/search`	0.011 USDC
Sandbox Create Create a managed Python 3.11 sandbox. Two billing modes selected by 'timeout': ≤300s = flat rate (CPU $0.01, GPU varies). >300s = per-hour billing for the full requested lifetime, no refund on early terminate. Max 24h.	`/m/bz-blockrun-ai/api/v1/modal/sandbox/create`	0.011 USDC
Kalshi Markets Query Kalshi markets with filtering, sorting, and pagination	`/m/bz-blockrun-ai/api/v1/pm/kalshi/markets`	0.0085 USDC
Markets Search Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call	`/m/bz-blockrun-ai/api/v1/pm/markets/search`	0.0085 USDC
Polymarket Events List Polymarket events with filtering and sorting	`/m/bz-blockrun-ai/api/v1/pm/polymarket/events`	0.0085 USDC
Polymarket Leaderboard Get the global leaderboard of smart wallets	`/m/bz-blockrun-ai/api/v1/pm/polymarket/leaderboard`	0.0085 USDC
Polymarket Markets Query Polymarket markets with filtering, sorting, and pagination	`/m/bz-blockrun-ai/api/v1/pm/polymarket/markets`	0.0085 USDC
Markets Keyset List Polymarket markets with cursor-based keyset pagination (same filters as /polymarket/markets)	`/m/bz-blockrun-ai/api/v1/pm/polymarket/markets/keyset`	0.0085 USDC
Price AAPL US Stock realtime price for AAPL	`/m/bz-blockrun-ai/api/v1/stocks/us/price/AAPL`	0.002 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-blockrun-ai/api/v1/defillama/prices/coingecko:bitcoin')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-blockrun-ai/api/v1/defillama/prices/coingecko:bitcoin
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …